# -*- coding: utf-8 -*-
# Copyright 2021 Huawei Technologies Co., Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============================================================================

import torch

from mmpose.models.backbones import AlexNet


def test_alexnet_backbone():
    """Test alexnet backbone."""
    model = AlexNet(-1)
    model.train()

    imgs = torch.randn(1, 3, 256, 192)
    feat = model(imgs)
    assert feat.shape == (1, 256, 7, 5)

    model = AlexNet(1)
    model.train()

    imgs = torch.randn(1, 3, 224, 224)
    feat = model(imgs)
    assert feat.shape == (1, 1)
